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OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Pension and postretirement benefits [Abstract] |  |  |
Amortization of net actuarial loss, Gross Amount | [1] | $ 550 | $ 568
Amortization of net actuarial loss, Income Tax Provision | [1] | (139) | (138)
Amortization of net actuarial loss, Net Amount | [1] | 411 | 430
Foreign currency translation, Gross Amount |  | 129 | 420
Foreign currency translation, Income Tax Provision |  | 0 | 0
Foreign currency translation, Net Amount |  | 129 | 420
Total other comprehensive income, Gross Amount |  | 679 | 988
Total other comprehensive income, Income Tax Provision |  | (139) | (8,063)
Total other comprehensive income (loss), net of taxes |  | 540 | (7,075)
ASU 2018-02 [Member] |  |  |
Pension and postretirement benefits [Abstract] |  |  |
Reclassification to retained earnings of stranded tax effects from tax reform, Gross Amount |  | 0 | 0
Reclassification to retained earnings of stranded tax effects from tax reform, Income Tax Provision Benefit |  | 0 | (7,925)
Reclassification to retained earnings of stranded tax effects from tax reform, Net Amount |  | $ 0 | $ (7,925)
[1] | (Actuarial gains/(losses) are amortized into other income (expense). (See Note 14 - Retirement Plans)

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- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL34724391-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e689-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 + Details
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